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Finding the Fourth Proportional to 56,492.66, 84,739.48 and 14,372.78

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Solution

The fourth proportional to 56,492.66, 84,739.48 and 14,372.78 is: 21,559.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,492.66 : 84,739.48 = 14,372.78 : x
  2. Step 2: Convert to fraction form
    56,492.66/84,739.48 = 14,372.78/x
  3. Step 3: Cross multiply
    56,492.66x = 84,739.48 × 14,372.78
  4. Step 4: Simplify right side
    56,492.66x = 1,217,941,524.57
  5. Step 5: Solve for x
    x = 1,217,941,524.57/56,492.66
  6. Step 6: Final answer
    x = 21,559.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.